Finding the Fourth Proportional to 232,439,359.21, 320,788,972.62 and 173,599,872.46
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Solution
The fourth proportional to 232,439,359.21, 320,788,972.62 and 173,599,872.46 is: 239,584,745.56
Step by Step Solution
- Step 1: Write the proportion equation
232,439,359.21 : 320,788,972.62 = 173,599,872.46 : x - Step 2: Convert to fraction form
232,439,359.21/320,788,972.62 = 173,599,872.46/x - Step 3: Cross multiply
232,439,359.21x = 320,788,972.62 × 173,599,872.46 - Step 4: Simplify right side
232,439,359.21x = 55,688,924,733,406,432 - Step 5: Solve for x
x = 55,688,924,733,406,432/232,439,359.21 - Step 6: Final answer
x = 239,584,745.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.